2x+7y=-5

5y-7x=12

Solve by elimination

Tristan uses 7 stsrs and 9 diamonds to make a design. write two ratios that are equivalent to 7/9

Zoey goes to a store an buys an item that costs x dollars. She has a coupon for 15% off, and then a 9% tax is added to the discounted price. Write an expression in terms of x that represents the total amount that Zoey paid at the register.

How many numbers are inbetween 20 and 45?

How many ounces are in 7 pounds

Trinh has $14.44 in her school lunch account. She spends $7.75 on lunches and deposits $6.50. What is her new balance? A) $ 28.69 B) $13.81 C) $13.19 D) $0.19

Ben is sailing on a ship. The ship goes 600 miles north and then turn west. It travels 200 miles west and turns sought for 450 miles. It turns west again and travels 170 miles and turns south once more and travels 150 miles.

The volume of a tissue box is 288in3. If the box has a width of 6 inches and it is 4 inches high, how long is the box?

2.5 (x-7) + 0.5=12.5. "I bought a cookbook for $7. If I had $2.5 more, I could have bought another book for $12.50".

If you took a true " if then " statement inserted a not in each clause, and reversed the clauses, the new statement would also be true

Find the values of l and m that make each equation true (7+m) + (4l-10) i=3 - 6i